Double row angular contact ball bearing the suffix code explains:

A: no gap with the ball

CB: specific axial clearance

C2: axial clearance of smaller than normal

C3: axial clearance than ordinary group

D: cutting their fair share of the circle

HT51: high temperature lubricating grease, temperature range for-30 to + 175 degrees

J1: stamping steel maintains a, steel ball guide

M: machine cutting brass keep frame, steel ball guide

MA: machine cutting brass keep frame, outer ring guide

MT33: lithium and manufactured, temperature range-30 to + 120 degrees

N:'s outer ring has anti-rotation slots

NR:'s outer ring has anti-rotation slots and stop ring

P5: size accuracy and rotation precision with ISO tolerance grade 5

P8: size accuracy and rotation precision with ISO tolerance grade 6

P62: at the + C2

P63: at the + C3

TN9: card type glass fiber reinforced nylon 6, 6 keep frame, steel ball guide

2 RS1: both sides with the methods of HNBR with rubber ring
2 Z: both sides with stamping steel dust cover
 



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